Table 4 Results of Insemination
From: The continuum of ovarian response leading to BIRTH, a real world study of ART in Spain
All women (n = 642) | Poor Responders (n = 58) | Suboptimal responders (n = 240) | Normal Responders (n = 344) | |
|---|---|---|---|---|
Number of fertilized oocytes mean (± SD) | 2.3 (1.8) | 4.5 (3.6) | 6.8 (4.8) | |
Fertilization rate (%) (number of fertilized oocytes / number of inseminated or microinjected MII oocytes) | 71.7% | 68.4% | 72.4% | |
Number of embryos transferred | ||||
1 n (%) | 120 (33.1%) | 12 (36.4%) | 49 (36.3%) | 59 (30.3%) |
2 n (%) | 239 (65.8%) | 21 (63.6%) | 83 (61.5%) | 135 (69.2%) |
3 n (%) | 3 (0.85) | 0 (0%) | 3 (2.2%) | 0 (0%) |